PLEASE NOTE: Delays in processing orders. Orders placed between Thursday 22 January and Monday 09 February will be processed 10 February.
Valve guide, inlet (also exhaust on early twins), suit Norton twins 500cc - 750cc, each, including 750 Commando. 2 or 4 required per motor, colisbro +.010 size Original part numbers: D12/140; K12/140; T2011; 050198 - valve guide (inlet or exhaust)